JP6990326B2 - 電気アーク炉内での融解方法及び対応する装置 - Google Patents

電気アーク炉内での融解方法及び対応する装置 Download PDF

Info

Publication number
JP6990326B2
JP6990326B2 JP2020559468A JP2020559468A JP6990326B2 JP 6990326 B2 JP6990326 B2 JP 6990326B2 JP 2020559468 A JP2020559468 A JP 2020559468A JP 2020559468 A JP2020559468 A JP 2020559468A JP 6990326 B2 JP6990326 B2 JP 6990326B2
Authority
JP
Japan
Prior art keywords
melting
current
voltage
power supply
during
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2020559468A
Other languages
English (en)
Japanese (ja)
Other versions
JP2021514031A (ja
Inventor
ダミアーノ パトリツィオ
アントネッロ モルデグリア
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Danieli and C Officine Meccaniche SpA
Original Assignee
Danieli and C Officine Meccaniche SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Danieli and C Officine Meccaniche SpA filed Critical Danieli and C Officine Meccaniche SpA
Publication of JP2021514031A publication Critical patent/JP2021514031A/ja
Application granted granted Critical
Publication of JP6990326B2 publication Critical patent/JP6990326B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/10Details, accessories, or equipment peculiar to hearth-type furnaces
    • F27B3/28Arrangement of controlling, monitoring, alarm or the like devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/08Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces heated electrically, with or without any other source of heat
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/08Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces heated electrically, with or without any other source of heat
    • F27B3/085Arc furnaces
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B7/00Heating by electric discharge
    • H05B7/02Details
    • H05B7/144Power supplies specially adapted for heating by electric discharge; Automatic control of power, e.g. by positioning of electrodes
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/25Process efficiency
JP2020559468A 2018-04-24 2019-04-24 電気アーク炉内での融解方法及び対応する装置 Active JP6990326B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT102018000004847A IT201800004847A1 (it) 2018-04-24 2018-04-24 Metodo di fusione in un forno elettrico ad arco e relativo apparato
IT102018000004847 2018-04-24
PCT/IT2019/050080 WO2019207609A1 (en) 2018-04-24 2019-04-24 Melting method in an electric arc furnace and corresponding apparatus

Publications (2)

Publication Number Publication Date
JP2021514031A JP2021514031A (ja) 2021-06-03
JP6990326B2 true JP6990326B2 (ja) 2022-01-12

Family

ID=62952308

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020559468A Active JP6990326B2 (ja) 2018-04-24 2019-04-24 電気アーク炉内での融解方法及び対応する装置

Country Status (9)

Country Link
US (1) US11346605B2 (ru)
EP (1) EP3784969B1 (ru)
JP (1) JP6990326B2 (ru)
KR (1) KR102492658B1 (ru)
CN (1) CN112219081B (ru)
AU (1) AU2019260692B2 (ru)
IT (1) IT201800004847A1 (ru)
RU (1) RU2756089C1 (ru)
WO (1) WO2019207609A1 (ru)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201900023310A1 (it) * 2019-12-06 2021-06-06 Danieli Automation Spa Impianto di fusione e/o riscaldo di materiale metallico e metodo di alimentazione
WO2021115573A1 (de) * 2019-12-10 2021-06-17 Siemens Aktiengesellschaft Lichtbogenofen und verfahren zum betreiben eines lichtbogenofens
IT202000011923A1 (it) * 2020-05-21 2021-11-21 Danieli Automation Spa Apparato e metodo di alimentazione elettrica in un impianto industriale
IT202000012091A1 (it) * 2020-05-22 2021-11-22 Cea Group S R L Sistema di alimentazione per forni ad arco

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4677643A (en) * 1984-03-09 1987-06-30 Licentia Patent-Verwaltungs-Gmbh Device for feeding one or a plurality of electrodes in an electrothermal furnace
FR2577702B1 (fr) * 1985-02-21 1987-04-17 Jeumont Schneider Dispositif de regulation d'un four a arc a courant continu
JPH02282413A (ja) * 1989-04-21 1990-11-20 Nkk Corp 電気炉の運転制御方法
CA2030686C (en) * 1989-11-30 1999-10-05 Gianni Gensini Direct-arc electric furnace fed with controlled current and method to feed a direct-arc furnace with controlled current
RU2086076C1 (ru) * 1990-09-03 1997-07-27 Даниэли энд К.Оффичине Мекканике С.п.А. Способ регулирования тока трехфазной дуговой электропечи и установка трехфазной электродуговой печи прямого нагрева
RU2033432C1 (ru) * 1992-08-06 1995-04-20 Малое государственное предприятие "Электротермия" Научно-производственного объединения "Электротерм" Способ ведения плавки в дуговой электропечи
DE4309640A1 (de) * 1993-03-25 1994-09-29 Abb Management Ag Gleichstrom-Lichtbogenofenanlage
DE19920049C2 (de) * 1999-04-23 2001-10-11 Sms Demag Ag Verfahren und Vorrichtung zur Stromversorgung eines über einen Lichtbogen betriebenen Schmelzaggregates
US6689182B2 (en) * 2001-10-01 2004-02-10 Kobe Steel, Ltd. Method and device for producing molten iron
SE523039C2 (sv) * 2001-11-28 2004-03-23 Abb Ab Förfarande och anordning för kompensering av en industriell lasts förbrukning av reaktiv effekt
DE102005051232A1 (de) * 2005-10-26 2007-05-03 Sms Demag Ag Steuervorrichtung für Wechselstrom-Reduktionsöfen
EP2747233B1 (en) * 2012-12-21 2016-02-24 ALSTOM Technology Ltd An arrangement and method for load compensation
DE102014206008A1 (de) * 2014-03-31 2015-10-01 Siemens Aktiengesellschaft Vorrichtung und Verfahren zur dynamischen Einstellung eines Elektrolichtbogenofens
RU2567425C1 (ru) * 2014-04-11 2015-11-10 Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Национальный исследовательский технологический университет "МИСиС" Способ управления выплавкой стали в дуговой сталеплавильной печи
EP2947766A1 (de) * 2014-05-19 2015-11-25 Siemens Aktiengesellschaft Stromversorgung für eine nichtlineare Last mit Multilevel-Matrixumrichtern
CN104701868B (zh) * 2015-03-27 2016-09-14 中国西电电气股份有限公司 一种可变电压等级的电流扰动源
ITUB20152674A1 (it) * 2015-07-30 2017-01-30 Danieli Automation Spa Apparato e metodo di alimentazione elettrica di un forno elettrico ad arco
CN107682950B (zh) * 2017-11-02 2023-09-08 福州大学 一种可自动调节电极位置的功率恒定系统及其工作方法

Also Published As

Publication number Publication date
AU2019260692A1 (en) 2020-11-19
US11346605B2 (en) 2022-05-31
RU2756089C1 (ru) 2021-09-27
JP2021514031A (ja) 2021-06-03
US20210231373A1 (en) 2021-07-29
CN112219081B (zh) 2021-10-26
WO2019207609A1 (en) 2019-10-31
KR20210003173A (ko) 2021-01-11
KR102492658B1 (ko) 2023-01-27
AU2019260692B2 (en) 2022-02-17
EP3784969B1 (en) 2021-08-25
IT201800004847A1 (it) 2019-10-24
CN112219081A (zh) 2021-01-12
EP3784969A1 (en) 2021-03-03

Similar Documents

Publication Publication Date Title
JP6990326B2 (ja) 電気アーク炉内での融解方法及び対応する装置
JP6951591B2 (ja) 電気炉のための電力供給方法及び対応する装置
JP6002823B1 (ja) 電気アーク炉に給電する装置及び方法
US20230040089A1 (en) Melting method in an electric arc furnace and melting apparatus
WO2023157034A1 (en) Method to supply electric power to furnaces for melting and/or haeting metal materials, and corresponding apparatus
JP2509411B2 (ja) 製鋼用ア―ク炉装置
JPH03226273A (ja) 直流アーク炉用電源装置
JP2006130512A (ja) アーク溶接装置
JPH10189236A (ja) 交流直流併用アーク炉及びその操業方法

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20201210

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20201210

A975 Report on accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A971005

Effective date: 20210422

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20210427

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20210726

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20210817

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20211101

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20211124

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20211203

R150 Certificate of patent or registration of utility model

Ref document number: 6990326

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150